cache-typescript-sdk
Version:
Blockstart NIS1 SDK
55 lines • 2.17 kB
JavaScript
;
/*
* The MIT License (MIT)
*
* Copyright (c) 2017 NEM
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
Object.defineProperty(exports, "__esModule", { value: true });
const requestPromise = require("request-promise-native");
const rxjs_1 = require("rxjs");
const Block_1 = require("../models/blockchain/Block");
const HttpEndpoint_1 = require("./HttpEndpoint");
class BlockHttp extends HttpEndpoint_1.HttpEndpoint {
constructor(nodes) {
super("block", nodes);
}
/**
* Gets a block from the chain that has a given hash.
* @param blockHeight
* @returns Observable<Block>
*/
getBlockByHeight(blockHeight) {
return rxjs_1.Observable.of("at/public")
.flatMap((url) => requestPromise.post({
uri: this.nextNode() + url,
body: {
height: blockHeight,
},
json: true,
}))
.retryWhen(this.replyWhenRequestError)
.map((block) => {
return Block_1.Block.createFromBlockDTO(block);
});
}
}
exports.BlockHttp = BlockHttp;
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